From 6d97dc10a81062a787fcf5e5df7b88d1ea122a64 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 12 Aug 2015 17:46:50 +0800 Subject: imx: clock support enet2 anatop clock support To i.MX6SX/UL, two ethernet interfaces are supported. Add ENET2 clock support: 1. Introduce a new input parameter "fec_id", only 0 and 1 are allowed. To value 1, only i.MX6SX/UL can pass the check. 2. Modify board code who use this api to follow new api prototype. Signed-off-by: Peng Fan Cc: Heiko Schocher Cc: Fabio Estevam Cc: Stefan Roese Cc: Nikolaos Pasaloukos Cc: Stefano Babic Reviewed-by: Stefan Roese --- board/freescale/mx6qsabreauto/mx6qsabreauto.c | 2 +- board/freescale/mx6slevk/mx6slevk.c | 2 +- board/freescale/mx6sxsabresd/mx6sxsabresd.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'board/freescale') diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 98602f8..7c0e90a 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -361,7 +361,7 @@ static void setup_fec(void) * select ENET MAC0 TX clock from PLL */ imx_iomux_set_gpr_register(5, 9, 1, 1); - enable_fec_anatop_clock(ENET_125MHZ); + enable_fec_anatop_clock(0, ENET_125MHZ); } setup_iomux_enet(); diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index 7c18c90..98e3ef0 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -279,7 +279,7 @@ static int setup_fec(void) /* clear gpr1[14], gpr1[18:17] to select anatop clock */ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0); - return enable_fec_anatop_clock(ENET_50MHZ); + return enable_fec_anatop_clock(0, ENET_50MHZ); } #endif diff --git a/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/board/freescale/mx6sxsabresd/mx6sxsabresd.c index d58a79a..ffc0046 100644 --- a/board/freescale/mx6sxsabresd/mx6sxsabresd.c +++ b/board/freescale/mx6sxsabresd/mx6sxsabresd.c @@ -170,7 +170,7 @@ static int setup_fec(void) reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; writel(reg, &anatop->pll_enet); - return enable_fec_anatop_clock(ENET_125MHZ); + return enable_fec_anatop_clock(0, ENET_125MHZ); } int board_eth_init(bd_t *bis) -- cgit v1.1 From 0d4cdb5609a94adae963f1d3178ccfb795b520dd Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 12 Aug 2015 17:46:52 +0800 Subject: imx: mx6ul_14x14_evk add ENET support Add enet support for mx6ul_14x14_evk board: 1. add pinmux settings 2. implement board_eth_init 3. implement board_phy_config Signed-off-by: Peng Fan Cc: Stefano Babic Cc: Fabio Estevam --- board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 110 ++++++++++++++++++++++ 1 file changed, 110 insertions(+) (limited to 'board/freescale') diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index 8f712cb..d9af220 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -19,8 +19,10 @@ #include #include #include +#include #include #include +#include #include #include @@ -43,6 +45,18 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE) +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) + #define IOX_SDI IMX_GPIO_NR(5, 10) #define IOX_STCP IMX_GPIO_NR(5, 7) #define IOX_SHCP IMX_GPIO_NR(5, 11) @@ -457,6 +471,98 @@ int board_ehci_hcd_init(int port) } #endif +#ifdef CONFIG_FEC_MXC +/* + * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only + * be used for ENET1 or ENET2, cannot be used for both. + */ +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const fec2_pads[] = { + MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + + MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + + MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_fec(int fec_id) +{ + if (fec_id == 0) + imx_iomux_v3_setup_multiple_pads(fec1_pads, + ARRAY_SIZE(fec1_pads)); + else + imx_iomux_v3_setup_multiple_pads(fec2_pads, + ARRAY_SIZE(fec2_pads)); +} + +int board_eth_init(bd_t *bis) +{ + setup_iomux_fec(CONFIG_FEC_ENET_DEV); + + return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); +} + +static int setup_fec(int fec_id) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + if (fec_id == 0) { + /* + * Use 50M anatop loopback REF_CLK1 for ENET1, + * clear gpr1[13], set gpr1[17]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); + } else { + /* + * Use 50M anatop loopback REF_CLK2 for ENET2, + * clear gpr1[14], set gpr1[18]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + } + + ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ); + if (ret) + return ret; + + enable_enet_clk(1); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif + int board_early_init_f(void) { setup_iomux_uart(); @@ -477,6 +583,10 @@ int board_init(void) setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); #endif +#ifdef CONFIG_FEC_MXC + setup_fec(CONFIG_FEC_ENET_DEV); +#endif + #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif -- cgit v1.1 From f2ff834365296151b24bf8617f1f6dd070bdce9e Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Mon, 17 Aug 2015 16:11:03 +0800 Subject: imx: mx6: ddr init MMDC according to ddr_type To i.MX6, DDR3 and LPDDR2 is supported, so rename function mx6_dram_cfg to mx6_ddr3_cfg and the original mx6_dram_cfg function only is a wrapper. The new reimplemented function mx6_dram_cfg only invokes mx6_ddr3_cfg when ddr_type is for DDR3. Later we can use ddr_type to initialize MMDC for LPDDR2. Initialize ddr_type for different boards which enable SPL. Signed-off-by: Peng Fan Cc: Stefano Babic Cc: Tim Harvey Cc: Stefan Roese Cc: Fabio Estevam Reviewed-by: Stefan Roese --- board/freescale/mx6sabresd/mx6sabresd.c | 1 + board/freescale/mx6sxsabresd/mx6sxsabresd.c | 1 + board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 1 + 3 files changed, 3 insertions(+) (limited to 'board/freescale') diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index eb8a8b3..5644167 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -824,6 +824,7 @@ static void spl_dram_init(void) .bi_on = 1, /* Bank interleaving enabled */ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .ddr_type = DDR_TYPE_DDR3, }; mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs); diff --git a/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/board/freescale/mx6sxsabresd/mx6sxsabresd.c index ffc0046..b9af7e7 100644 --- a/board/freescale/mx6sxsabresd/mx6sxsabresd.c +++ b/board/freescale/mx6sxsabresd/mx6sxsabresd.c @@ -566,6 +566,7 @@ static void spl_dram_init(void) .bi_on = 1, /* Bank interleaving enabled */ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .ddr_type = DDR_TYPE_DDR3, }; mx6sx_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index d9af220..c09d84e 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -708,6 +708,7 @@ static void spl_dram_init(void) .bi_on = 1, /* Bank interleaving enabled */ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .ddr_type = DDR_TYPE_DDR3, }; mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); -- cgit v1.1 From e7d3b21bb78a04109574394d1c2cbd2e951b95ac Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Mon, 17 Aug 2015 16:11:05 +0800 Subject: imx: mx6slevk: add SPL support Add SPL boot support for mx6slevk board. 1. Introduce a configuration file mx6slevk_spl_defconfig. 2. i.MX6SL has same DRAM space with i.MX6SX, need to change SPL DRAM SPACE. 3. Include imx6_spl.h and related SPL macro in mx6slevk.h. 4. select SUPPORT_SPL for TARGET_MX6SLEVK. 5. Add SPL board code to do related initialization. Boot Log: U-Boot SPL 2015.07-00544-g1594a76 (Aug 17 2015 - 01:56:59) reading u-boot.img reading u-boot.img U-Boot 2015.07-00544-g1594a76 (Aug 17 2015 - 01:56:59 +0000) CPU: Freescale i.MX6SL rev1.2 996 MHz (running at 396 MHz) CPU: Commercial temperature grade (0C to 95C) at 50C Reset cause: POR Board: MX6SLEVK I2C: ready DRAM: 1 GiB PMIC: PFUZE100 ID=0x10 MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: FEC [PRIME] Hit any key to stop autoboot: 0 Signed-off-by: Peng Fan Cc: Stefano Babic Cc: Fabio Estevam --- board/freescale/mx6slevk/mx6slevk.c | 164 ++++++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) (limited to 'board/freescale') diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index 98e3ef0..6ba604e 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -8,7 +8,9 @@ #include #include +#include #include +#include #include #include #include @@ -190,6 +192,7 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { +#ifndef CONFIG_SPL_BUILD int i, ret; /* @@ -234,6 +237,44 @@ int board_mmc_init(bd_t *bis) } return 0; +#else + struct src *src_regs = (struct src *)SRC_BASE_ADDR; + u32 val; + u32 port; + + val = readl(&src_regs->sbmr1); + + /* Boot from USDHC */ + port = (val >> 11) & 0x3; + switch (port) { + case 0: + imx_iomux_v3_setup_multiple_pads(usdhc1_pads, + ARRAY_SIZE(usdhc1_pads)); + gpio_direction_input(USDHC1_CD_GPIO); + usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + break; + case 1: + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, + ARRAY_SIZE(usdhc2_pads)); + gpio_direction_input(USDHC2_CD_GPIO); + usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + break; + case 2: + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, + ARRAY_SIZE(usdhc3_pads)); + gpio_direction_input(USDHC3_CD_GPIO); + usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + } + + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +#endif } #ifdef CONFIG_SYS_I2C_MXC @@ -361,3 +402,126 @@ int checkboard(void) return 0; } + +#ifdef CONFIG_SPL_BUILD +#include +#include + +const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_sdqs0 = 0x00003030, + .dram_sdqs1 = 0x00003030, + .dram_sdqs2 = 0x00003030, + .dram_sdqs3 = 0x00003030, + .dram_dqm0 = 0x00000030, + .dram_dqm1 = 0x00000030, + .dram_dqm2 = 0x00000030, + .dram_dqm3 = 0x00000030, + .dram_cas = 0x00000030, + .dram_ras = 0x00000030, + .dram_sdclk_0 = 0x00000028, + .dram_reset = 0x00000030, + .dram_sdba2 = 0x00000000, + .dram_odt0 = 0x00000008, + .dram_odt1 = 0x00000008, +}; + +const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = { + .grp_b0ds = 0x00000030, + .grp_b1ds = 0x00000030, + .grp_b2ds = 0x00000030, + .grp_b3ds = 0x00000030, + .grp_addds = 0x00000030, + .grp_ctlds = 0x00000030, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_ddrmode = 0x00020000, + .grp_ddr_type = 0x00080000, +}; + +const struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpdgctrl0 = 0x20000000, + .p0_mpdgctrl1 = 0x00000000, + .p0_mprddlctl = 0x4241444a, + .p0_mpwrdlctl = 0x3030312b, + .mpzqlp2ctl = 0x1b4700c7, +}; + +static struct mx6_lpddr2_cfg mem_ddr = { + .mem_speed = 800, + .density = 4, + .width = 32, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .trcd_lp = 2000, + .trppb_lp = 2000, + .trpab_lp = 2250, + .trasmin = 4200, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0xFFFFFFFF, &ccm->CCGR0); + writel(0xFFFFFFFF, &ccm->CCGR1); + writel(0xFFFFFFFF, &ccm->CCGR2); + writel(0xFFFFFFFF, &ccm->CCGR3); + writel(0xFFFFFFFF, &ccm->CCGR4); + writel(0xFFFFFFFF, &ccm->CCGR5); + writel(0xFFFFFFFF, &ccm->CCGR6); + + writel(0x00260324, &ccm->cbcmr); +} + +static void spl_dram_init(void) +{ + struct mx6_ddr_sysinfo sysinfo = { + .dsize = mem_ddr.width / 32, + .cs_density = 20, + .ncs = 2, + .cs1_mirror = 0, + .walat = 0, + .ralat = 2, + .mif3_mode = 3, + .bi_on = 1, + .rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */ + .rtt_nom = 0, + .sde_to_rst = 0, /* LPDDR2 does not need this field */ + .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */ + .ddr_type = DDR_TYPE_LPDDR2, + }; + mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); +} + +void board_init_f(ulong dummy) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + ccgr_init(); + + /* iomux and setup of i2c */ + board_early_init_f(); + + /* setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* DDR initialization */ + spl_dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} + +void reset_cpu(ulong addr) +{ +} +#endif -- cgit v1.1